The Dag Hammarskjöld Library, which is dedicated to the memory of the late Secretary-General Dag Hammarskjöld, occupies the three-storey building (with another three levels below ground) on the south side of the Headquarters site.
La Biblioteca Dag Hammarskjöld, dedicada a la memoria del extinto Secretario General Dag Hammarskjöld, ocupa el edificio de tres pisos (con otras tres plantas subterráneas) situado al sur del edificio de la Sede.